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CHANGSHA INSTITUTE OF MINING RES CO LTD

Overview
  • Total Patents
    60
  • GoodIP Patent Rank
    24,642
About

CHANGSHA INSTITUTE OF MINING RES CO LTD has a total of 60 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China and Belgium. Its main competitors in its focus markets civil engineering, machines and chemical engineering are JCHX MINING MAN CO LTD, BRIEDEN & CO MASCHF K and CHINA MINMETALS CHANGSHA MINING RES INST CO LTD.

Patent filings in countries

World map showing CHANGSHA INSTITUTE OF MINING RES CO LTDs patent filings in countries
# Country Total Patents
#1 China 59
#2 Belgium 1

Patent filings per year

Chart showing CHANGSHA INSTITUTE OF MINING RES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Xiangdong 17
#2 Liu Dongrui 13
#3 Zheng Bokun 13
#4 Li Qiang 12
#5 Huang Tenglong 12
#6 Sheng Jia 11
#7 Yin Xuyan 10
#8 Zhang Haiyun 8
#9 Lai Wei 6
#10 Zhou Yilong 6

Latest patents

Publication Filing date Title
CN112196538A Inclined upward mountain combined downward access cemented filling mining method
CN112196617A Simple combined filling retaining wall construction method
CN112177613A Sector medium-diameter deep hole mining process for steeply inclined medium-thickness ore body
CN112196537A Medium-diameter deep hole composite slot drawing process for steeply inclined medium-thickness ore body
CN112177612A Downward high-layering cemented filling mining method
CN112246427A Dressing and smelting method for recovering talc from talc-containing nonferrous metal ore flotation desliming product
CN111997663A Energy-absorbing yielding type steel support and supporting process thereof
CN112253183A Energy-absorbing profiling active support structure for arch roadway and support method thereof
CN112113474A Partially recyclable blast hole measuring and plugging device and application method thereof
CN111894670A Bag type stacked drainage filling retaining wall and construction method thereof
CN112014276A Detection method for layered segregation degree of filling body and model construction method
CN111888805A Paste storage thickener and thickening process
CN111852552A Filling slurry preparation system and preparation method thereof
CN111894667A Upward double-layered drift filling mining method for recoverable support shield of broken ore body
CN111878067A Simple device for measuring inclination angle of drilling hole opening
CN111894592A Wall column type upward horizontal layered filling mining method
CN112008866A Multi-micro-powder pre-pulping adding process and conveying system thereof
CN111912677A Quality detection and sampling device for filler permeated water and using method thereof
CN111686621A Multi-material powdery additive preparation system and preparation method
CN111829968A Multi-stage transient dynamic performance measuring device of laser gas concentration measuring sensor